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https://www.readbyqxmd.com/read/27911863/correlation-of-long-non-coding-rna-h19-expression-with-cisplatin-resistance-and-clinical-outcome-in-lung-adenocarcinoma
#1
Qi Wang, Ningning Cheng, Xuefei Li, Hui Pan, Chunyu Li, Shengxiang Ren, Chunxia Su, Weijing Cai, Chao Zhao, Limin Zhang, Caicun Zhou
The acquired drug resistance would influence the efficacy of cisplatin-based chemotherapy in non-small-cell lung cancer. The present study aimed to investigate the correlation of long non-coding RNA (lncRNA) H19 with cisplatin-resistance and clinical outcome in lung adenocarcinoma. In our study, the expression of H19 in cisplatin-resistant A549/DDP cells was unregulated. Knockdown of H19 restored the response of A549/DDP cells to cisplatin. H19-mediated chemosensitivity enhancement was associated with metastasis, induction of G0/G1 cell-cycle arrest, cell proliferation, and increased apoptosis...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911604/neutrophil-elastase-activity-is-associated-with-exacerbations-and-lung-function-decline-in-bronchiectasis
#2
James D Chalmers, Kelly L Moffitt, Guillermo Suarez-Cuartin, Oriol Sibila, Simon Finch, Elizabeth Furrie, Alison Dicker, Karolina Wrobel, J Stuart Elborn, Brian Walker, S Lorraine Martin, Sara E Marshall, Jeffrey T-J Huang, Thomas C Fardon
RATIONALE: Sputum neutrophil elastase and serum desmosine, a linked marker of endogenous elastin degradation, are possible biomarkers of disease severity and progression in bronchiectasis. This study aimed to determine the association of elastase activity and desmosine with exacerbations and lung function decline in bronchiectasis. METHODS: This was a single-centre prospective cohort study using the TAYBRIDGE registry in Dundee, UK. 433 patients with HRCT-confirmed bronchiectasis provided blood samples for desmosine measurement and 381 provided sputum for baseline elastase activity measurements using an activity based immunosassay and fluorometric substrate assay...
December 2, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27910075/idiopathic-pulmonary-fibrosis-are-any-of-the-morphological-molecular-markers-useful-in-clinical-management
#3
REVIEW
Francesca Lunardi, Elisabetta Balestro, Nazarena Nannini, Stefania Edith Vuljan, Federico Rea, Fiorella Calabrese
Idiopathic pulmonary fibrosis (IPF), the most common form of chronic interstitial lung disease, is a severe progressive fibrotic disorder of unknown aetiology. The disease has a heterogeneous clinical course, with frequent poor prognosis, similar to malignant disease. Correctly diagnosing IPF has become particularly important in view of the availability of more precise therapeutic indications, thus avoiding steroid treatment and allowing new approaches with novel drugs. To date we have limited information about biomarkers predictive of progressive disease and associated complications...
December 2, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27908166/improved-targeting-accuracy-of-lung-tumor-biopsies-with-scanning-beam-digital-x-ray-tomosynthesis-image-guidance
#4
Geoff Nelson, Meng Wu, Cameron Hinkel, Ganesh Krishna, Tobias Funk, Jarrett Rosenberg, Rebecca Fahrig
PURPOSE: Electromagnetic navigation bronchoscopy (ENB) provides improved targeting accuracy during transbronchial biopsies of suspicious nodules. The greatest weakness of ENB-based guidance is the registration divergence that exists between the planning CT, acquired days or weeks before the intervention, and the patient on the table on the day of the intervention. Augmenting ENB guidance with real-time tomosynthesis imaging during the intervention could mitigate the divergence and further improve the yield of ENB-guided transbronchial biopsies...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27898234/lumacaftor-ivacaftor-treatment-of-patients-with-cystic-fibrosis-heterozygous-for-f508del-cftr
#5
Steven M Rowe, Susanna A McColley, Ernst Rietschel, Xiaolei Li, Scott C Bell, Michael W Konstan, Gautham Marigowda, David Waltz, Michael P Boyle
RATIONALE: Lumacaftor/ivacaftor treatment (≤28 days) in patients with cystic fibrosis (CF) heterozygous for F508del-CFTR did not improve lung function. OBJECTIVES: To evaluate an optimized lumacaftor/ivacaftor dosing regimen with longer duration in a cohort of patients heterozygous for F508del-CFTR. METHODS: Patients age ≥18 years with a confirmed CF diagnosis and percent predicted forced expiratory volume in 1 second (ppFEV1) of 40 to 90 were randomized to lumacaftor/ivacaftor (400 mg/250 mg every 12 hours) or placebo daily for 56 days...
November 29, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27893060/association-between-allergen-exposure-in-inner-city-schools-and-asthma-morbidity-among-students
#6
William J Sheehan, Perdita Permaul, Carter R Petty, Brent A Coull, Sachin N Baxi, Jonathan M Gaffin, Peggy S Lai, Diane R Gold, Wanda Phipatanakul
Importance: Home aeroallergen exposure is associated with increased asthma morbidity in children, yet little is known about the contribution of school aeroallergen exposures to such morbidity. Objective: To evaluate the effect of school-specific aeroallergen exposures on asthma morbidity among students, adjusting for home exposures. Design, Setting, and Participants: The School Inner-City Asthma Study was a prospective cohort study evaluating 284 students aged 4 to 13 years with asthma who were enrolled from 37 inner-city elementary schools in the northeastern United States between March 1, 2008, and August 31, 2013...
November 21, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27892978/estimating-survival-in-patients-with-lung-cancer-and-brain-metastases-an-update-of-the-graded-prognostic-assessment-for-lung-cancer-using-molecular-markers-lung-molgpa
#7
Paul W Sperduto, T Jonathan Yang, Kathryn Beal, Hubert Pan, Paul D Brown, Ananta Bangdiwala, Ryan Shanley, Norman Yeh, Laurie E Gaspar, Steve Braunstein, Penny Sneed, John Boyle, John P Kirkpatrick, Kimberley S Mak, Helen A Shih, Alex Engelman, David Roberge, Nils D Arvold, Brian Alexander, Mark M Awad, Joseph Contessa, Veronica Chiang, John Hardie, Daniel Ma, Emil Lou, William Sperduto, Minesh P Mehta
Importance: Lung cancer is the leading cause of cancer-related mortality in the United States and worldwide. As systemic therapies improve, patients with lung cancer live longer and thus are at increased risk for brain metastases. Understanding how prognosis varies across this heterogeneous patient population is essential to individualize care and design future clinical trials. Objective: To update the current Diagnosis-Specific Graded Prognostic Assessment (DS-GPA) for patients with non-small-cell lung cancer (NSCLC) and brain metastases...
November 17, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27883012/immune-signatures-of-protective-spleen-memory-cd8-t-cells
#8
Lilia Brinza, Sophia Djebali, Martine Tomkowiak, Julien Mafille, Céline Loiseau, Pierre-Emmanuel Jouve, Simon de Bernard, Laurent Buffat, Bruno Lina, Michèle Ottmann, Manuel Rosa-Calatrava, Stéphane Schicklin, Nathalie Bonnefoy, Grégoire Lauvau, Morgan Grau, Mélanie Wencker, Christophe Arpin, Thierry Walzer, Yann Leverrier, Jacqueline Marvel
Memory CD8 T lymphocyte populations are remarkably heterogeneous and differ in their ability to protect the host. In order to identify the whole range of qualities uniquely associated with protective memory cells we compared the gene expression signatures of two qualities of memory CD8 T cells sharing the same antigenic-specificity: protective (Influenza-induced, Flu-TM) and non-protective (peptide-induced, TIM) spleen memory CD8 T cells. Although Flu-TM and TIM express classical phenotypic memory markers and are polyfunctional, only Flu-TM protects against a lethal viral challenge...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882640/physiological-markers-of-exercise-capacity-and-lung-disease-severity-in-cystic-fibrosis
#9
Laurie Smith, Charles C Reilly, Victoria MacBean, Caroline J Jolley, Caroline Elston, John Moxham, Gerrard F Rafferty
BACKGROUND AND OBJECTIVE: Peak aerobic capacity (VO2 peak) is an important outcome measure in cystic fibrosis (CF), but measurement is not widely available and can be influenced by patient motivation, pain and fatigue. Alternative markers of disease severity would be helpful. Neural respiratory drive, measured using parasternal intercostal muscle electromyography (EMGpara), reflects the load to capacity balance of the respiratory system and provides a composite measure of pulmonary function impairment in CF...
November 24, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27881923/predictive-value-of-serum-uric-acid-in-hospitalized-adolescents-and-adults-with-acute-asthma
#10
Nasser Keshar Abdulnaby, Ashraf Othman Sayed, Nehad Mohamed Shalaby
BACKGROUND: High serum uric acid (sUA) is an indicator of oxidative stress and is linked to tissue hypoxia in asthma. The objective of this case series was to investigate the prognostic role of sUA in patients with acute asthma exacerbations and the link between sUA and spirometric lung tests. PATIENTS AND METHODS: This cross-sectional observational study included 120 patients with acute asthma exacerbations and 120 controls, categorized according to peak expiratory flow rate into moderate, and severe and life-threatening asthma...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27877226/rac1-overexpression-is-correlated-with-epithelial-mesenchymal-transition-and-predicts-poor-prognosis-in-non-small-cell-lung-cancer
#11
Yujuan Zhou, Qianjin Liao, Yaqian Han, Jie Chen, Zhigang Liu, Hang Ling, Jing Zhang, Wenjuan Yang, Linda Oyang, Longzheng Xia, Li Wang, Heran Wang, Lei Xue, Hui Wang, Bingqiang Hu
Objective: Ras-related C3 botulinum toxin substrate1(Rac1) and epithelial mesenchymal transition (EMT) are key therapeutic targets in cancer. We investigated the clinical significance of Rac1 and markers of EMT expression in non-small cell lung cancer (NSCLC), and their possible correlation with EMT phenotype. Methods: Immunohistochemistry was used to assess the expression of Rac1, Snail1, Twist1, N-cadherin (N-cad), Vimentin (Vim), and E-cadherin (E-cad) in 153 NSCLC paraffin-embedded specimens and 45 normal specimens adjacent to tumors...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27863923/pretreatment-red-blood-cell-total-folate-concentration-is-associated-with-response-to-pemetrexed-in-stage-iv-nonsquamous-non-small-cell-lung-cancer
#12
Stephen J Bagley, Steven Vitale, Suhong Zhang, Charu Aggarwal, Tracey L Evans, Evan W Alley, Roger B Cohen, Corey J Langer, Ian A Blair, Anil Vachani, Alexander S Whitehead
INTRODUCTION: Pemetrexed inhibits folate-dependent enzymes involved in pyrimidine and purine synthesis. Previous studies of genetic variation in these enzymes as predictors of pemetrexed efficacy have yielded inconsistent results. We investigated whether red blood cell (RBC) total folate, a phenotypic rather than genotypic, marker of cellular folate status was associated with the response to pemetrexed-based chemotherapy in advanced nonsquamous non-small-cell lung cancer (NSCLC). MATERIALS AND METHODS: We conducted a prospective cohort study of patients with stage IV nonsquamous NSCLC receiving first-line chemotherapy containing pemetrexed...
October 26, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27858374/prediction-of-fluid-responsiveness-an-update
#13
REVIEW
Xavier Monnet, Paul E Marik, Jean-Louis Teboul
In patients with acute circulatory failure, the decision to give fluids or not should not be taken lightly. The risk of overzealous fluid administration has been clearly established. Moreover, volume expansion does not always increase cardiac output as one expects. Thus, after the very initial phase and/or if fluid losses are not obvious, predicting fluid responsiveness should be the first step of fluid strategy. For this purpose, the central venous pressure as well as other "static" markers of preload has been used for decades, but they are not reliable...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27853379/fas-and-fasl-genetic-polymorphisms-impact-on-clinical-outcome-of-malignant-pleural-mesothelioma
#14
Manal El-Hamamsy, Ramy R Ghali, Amr S Saad, Sara M Shaheen, Ahmed M Salem
BACKGROUND: FAS-670 A>G (rs1800682) and FASL-844 C>T (rs763110) polymorphisms have been previously correlated with clinical outcome of non-small cell lung cancer (NSCLC) and breast and bladder cancers. We investigated the influence of these polymorphisms on clinical outcome of malignant pleural mesothelioma (MPM) patients. PATIENTS AND METHODS: In this cohort study (NCT02269878), 68 epithelioid MPM Egyptian patients treated with first-line platinum-based chemotherapy were recruited in the period between April 2014 and May 2015...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#15
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27835869/otx015-mk-8628-a-novel-bet-inhibitor-exhibits-antitumor-activity-in-non-small-cell-and-small-cell-lung-cancer-models-harboring-different-oncogenic-mutations
#16
Maria E Riveiro, Lucile Astorgues-Xerri, Ramiro Vazquez, Roberta Frapolli, Ivo Kwee, Andrea Rinaldi, Elodie Odore, Keyvan Rezai, Mohamed Bekradda, Giorgio Inghirami, Maurizio D'Incalci, Kay Noel, Esteban Cvitkovic, Eric Raymond, Francesco Bertoni
Inhibitors targeting epigenetic control points of oncogenes offer a potential mean of blocking tumor progression in small cell and non-small cell lung carcinomas (SCLC, NSCLC). OTX015 (MK-8628) is a BET inhibitor selectively blocking BRD2/3/4. OTX015 was evaluated in a panel of NSCLC or SCLC models harboring different oncogenic mutations. Cell proliferation inhibition and cell cycle arrest were seen in sensitive NSCLC cells. MYC and MYCN were downregulated at both the mRNA and protein levels. In addition, OTX015-treatment significantly downregulated various stemness cell markers, including NANOG, Musashi-1, CD113 and EpCAM in H3122-tumors in vivo...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27835593/orai3-is-a-predictive-marker-of-metastasis-and-survival-in-resectable-lung-adenocarcinoma
#17
Nazim Benzerdjeb, Henri Sevestre, Ahmed Ahidouch, Halima Ouadid-Ahidouch
Orai3 channel has emerged as important player in malignant transformation. Indeed, its expression is increased in cancer and favors cell proliferation and survival by permitting calcium influx. In this study, Orai3 was overexpressed in lung adenocarcinoma as compared to their matched non-tumour samples and was associated with tumoural aggressiveness. Moreover, its expression was associated with estrogen receptor alpha (ERα) expression and visceral pleural invasion in multivariate analysis. Furthermore, both the overall survival (OS) median and the metastasis free survival (MFS) median of tumors with high Orai3 expression were lower than in low Orai3 expression regardless of cancer stage (35...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27830754/ror1-is-a-novel-prognostic-biomarker-in-patients-with-lung-adenocarcinoma
#18
Yu-Zhu Zheng, Rui Ma, Jian-Kang Zhou, Cheng-Lin Guo, Yong-Sheng Wang, Zheng-Guang Li, Lun-Xu Liu, Yong Peng
Currently, there is no reliable biomarker to clinically predict the prognosis of lung adenocarcinoma (ADC). The receptor-tyrosine-kinase like orphan receptor 1 (ROR1) is reported to be overexpressed and associated with poor prognosis in several tumors. This study aimed to examine the expression of ROR1 and evaluate its prognostic significance in human lung ADC patients. In this present study, Western blot analysis and immunohistochemistry were performed to characterize expression of ROR1 protein in lung ADC patients...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27826583/weight-gain-as-a-surrogate-marker-of-longer-survival-in-advanced-non-small-cell-lung-cancer-patients
#19
COMMENT
Erkan Topkan
Weight loss (WL), as a key step of the irreversible and fatal cancer-related anorexia cachexia syndrome is present to some degree in 80% of non-small cell lung cancer (NSCLC) patients upon diagnosis which has been clearly proved to negatively alter patients' performance status, quality of life (QOL), response to treatment, and prognosis. However, WL is not a problem encountered only upon diagnosis but is also commonly reported during the course of aggressive chemotherapy, radiotherapy (RT) and particularly the concurrent chemoradiotherapy (C-CRT) which may further diminish QOL measures and clinical outcomes...
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27826530/methylation-analyses-in-liquid-biopsy
#20
REVIEW
Delphine Lissa, Ana I Robles
Lung cancer is the leading cause of cancer-related deaths worldwide. Recent implementation of low-dose computed tomography (LDCT) screening is predicted to lead to diagnosis of lung cancer at an earlier stage, with survival benefit. However, there is still a pressing need for biomarkers that will identify individuals eligible for screening, as well as improve the diagnostic accuracy of LDCT. In addition, biomarkers for prognostic stratification of patients with early stage disease, and those that can be used as surrogates to monitor tumor evolution, will greatly improve clinical management...
October 2016: Translational Lung Cancer Research
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